package chap2_task;
import java.util.Scanner;
public class Task3 {
    public static void main(String[] args) {
        Scanner input=new Scanner(System.in);
        System.out.print("输入千克数:");
        double a=input.nextDouble();
        double b=a/0.4535924;
        System.out.println(a+"千克="+b+"磅");
    }
}
